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How to use Semi-Colons correclty.

Semi-Colons are a piece of punctuation which many people do not know how to use properly. Used correctly, semi-colons can show an examiner that you are capable of using advanced punctuation and can help you ...
MH
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Define relative atomic mass.

Relative atomic mass is the mass of one atom of an element compared to 1/12 of the mass of an atom of carbon-12.
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Answered by Colleen S. • Chemistry tutor
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How to correctly answer "To what extent" questions?

The most significant difference between GCSE and A-level history is the amount of emphasis markers place on analysis, interpretation and evaluation. For example, if we use the question “To what extent was th...
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Answered by Colm H. • History tutor
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What fractions are equivalent to 1/4?

3/12, 2/8. To identify fractions which are equivalent to one another, you need to identify the common multiple of both the denominator and numerator and then simplify. When a fraction is equivalent to one an...
KN
Answered by Konstantin N. • Maths tutor
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Solve algebraically: 6a + b = 16 ..... 5a - 2b = 19

first equation: 6a + b = 16 second equation: 5a - 2b = 19 from 2 times first equation + second equation 17a = 51 meaning a = 3 .... from the first equation 6(3) + b = 16 therefore b = - 2
BC
Answered by Benjamin C. • Maths tutor
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